1. Ubuntu Security Notices
  2. USN-4417-1

USN-4417-1: NSS vulnerability

Publication date

6 July 2020

Overview

NSS could be made to expose sensitive information.

Releases

Packages

  • nss - Network Security Service library

Details

Cesar Pereida, Billy Bob Brumley, Yuval Yarom, and Nicola Tuveri discovered
that NSS incorrectly handled RSA key generation. A local attacker could
possibly use this issue to perform a timing attack and recover RSA keys.

Cesar Pereida, Billy Bob Brumley, Yuval Yarom, and Nicola Tuveri discovered
that NSS incorrectly handled RSA key generation. A local attacker could
possibly use this issue to perform a timing attack and recover RSA keys.

Update instructions

After a standard system update you need to reboot your computer to make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
20.04 focal libnss3 –  2:3.49.1-1ubuntu1.2
19.10 eoan libnss3 –  2:3.45-1ubuntu2.4
18.04 bionic libnss3 –  2:3.35-2ubuntu2.9
16.04 xenial libnss3 –  2:3.28.4-0ubuntu0.16.04.12

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References

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